About Amerex Energy

Founded in 1978, Amerex is a leading over-the-counter energy brokerage offering services in electricity, natural gas, emission credits and allowances, renewable energy credits, retail energy procurement, energy consulting and energy data services. From its office in Houston, Amerex offers liquidity and timely execution to meet the needs of a global client network of more than 1,000 firms including thousands of traders and risk management professionals. Amerex Brokers LLC is a wholly-owned subsidiary of GFI Group Inc. (NASDAQ:GFIG), a leading inter-dealer broker specializing in over-the-counter derivatives products and related securities. GFI provides brokerage services, trading system software and market data and analytics software products for a range of credit, financial, equity and commodity instruments. GFI operates one of the largest OTC energy brokerage businesses in North America both directly and through its Amerex and StarSupply businesses. More information is available at www.amerexenergy.com.

About ICAP Energy

With more than 200 staff across its offices worldwide, ICAP Energy is the energy-focused commodity arm of ICAP plc., providing coverage of base and precious metals, emission credits, crude oil and oil products, electricity, natural gas, coal, freight and weather derivatives. ICAP Energy is a leading energy broker with operations in North America, the UK, the Netherlands, Norway, Singapore, Australia, and Spain. ICAP Energy has been consistently named Broker of the Year by Energy RISK magazine in a poll of market participants. Visit www.icapenergy.com for more information. For more information about ICAP, please visit www.icap.com.

About Tullett Prebon

Tullett Prebon (www.tullettprebon.com) is one of the world’s largest inter-dealer brokers and operates as an intermediary in wholesale financial markets facilitating the trading activities of its clients, in particular commercial and investment banks. The business now covers seven major product groups: Volatility, Rates, Treasury, Energy and Commodities, Credit, Equities and Non Banking. Tullett Prebon Electronic Broking offers electronic solutions to these products.

About TFS Energy

Founded in 1985, TFS is a market leader in the inter-dealer brokering of financial & non-financial OTC physical and derivative products. With offices in all the world’s major financial centers, the Company covers global forex, commodity, and equity markets. TFS Energy brokers a full spectrum of energy and energy-related physical and derivative products and exchange traded futures and options. Products include electricity, natural gas, crude oil and refined products, coal, emissions and weather derivatives. More information is available at www.tfsenergy.com.